#include<iostream>
double betsy(int);
double pam(int);

void estimate(int lines,double(*pf)(int));

int main()
{
	using namespace std;
	int code;
	cout<<"How many lines of code do you need? ";
	cin>>code;
	cout<<"Here's Besty's estimate:\n";
	estimate(code,betsy);
	cout<<"Here's Pam's estimate:\n";
	estimate(code,pam);
	return 0;
}

double betsy(int lns)
{
	return 0.05*lns;
}

double pam(int lns)
{
	return 0.03*lns+0.0004*lns*lns;
}

void estimate(int lines,double (*pf)(int))
{
	using namespace std;
	cout<<lines<<" lines will take ";
	cout<<(*pf)(lines)<<" hour(s)\n";
}
